| Abbreviation | Definition |
|---|---|
| CSDL | Conceptual Storage Definition Language |
| CSL | C Scripting Language |
| CSL | Citation Style Language |
| CSLA | Colorado Spanish Language Arts |
| CSLB | Centre for Speech Language and the Brain |
| CSLD | Center for Speech and Language Disorders |
| CSLD | Cross strait language database |
| CSLE | Centre for Software Language Engineering |
| CSLI | Canadian as a Second Language Institute |
| CSLI | Center for the Study of Language and Information |
| CSLI | Centre Summer Language Institute |
| CSLIP | Cadet Summer Language Immersion Program |
| CSLM | Center for Spanish Language Media |
| CSLM | Continuous Space Language Models |
| CSLS | Center for Second Language Studies |
| CSLS | Center for the Study of Language and Society |
| CSLU | Center for Spoken Language Understanding |
| CTL | Core Test Language |
| CTLC | Colorado Teen Literature Conference |
| CULE | Component Unification Language Everywhere |